NO
NUMBERS

DIAMETER

OPEN
AREA %

HOLES
PER

24SWG
55 mm

22SWG
70 mm

20SW
90mm		 18SW
1.2 mm

-

Inch in Decimals

MM

Inch in Decimals

-

SQ.
INCH

Thick
Rs		 Thick
Rs		 Thick
Rs		 Thick
Rs